summaryrefslogtreecommitdiff
path: root/drivers/hid/hid-lg.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/hid/hid-lg.c')
-rw-r--r--drivers/hid/hid-lg.c144
1 files changed, 92 insertions, 52 deletions
diff --git a/drivers/hid/hid-lg.c b/drivers/hid/hid-lg.c
index 52026dc94d5c..9a2cfa018bd3 100644
--- a/drivers/hid/hid-lg.c
+++ b/drivers/hid/hid-lg.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* HID driver for some logitech "special" devices
*
@@ -10,10 +11,6 @@
*/
/*
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the Free
- * Software Foundation; either version 2 of the License, or (at your option)
- * any later version.
*/
#include <linux/device.h>
@@ -50,6 +47,7 @@
#define MOMO_RDESC_ORIG_SIZE 87
#define MOMO2_RDESC_ORIG_SIZE 87
#define FFG_RDESC_ORIG_SIZE 85
+#define FG_RDESC_ORIG_SIZE 82
/* Fixed report descriptors for Logitech Driving Force (and Pro)
* wheel controllers
@@ -60,7 +58,7 @@
* These descriptors remove the combined Y axis and instead report
* separate throttle (Y) and brake (RZ).
*/
-static __u8 df_rdesc_fixed[] = {
+static const __u8 df_rdesc_fixed[] = {
0x05, 0x01, /* Usage Page (Desktop), */
0x09, 0x04, /* Usage (Joystick), */
0xA1, 0x01, /* Collection (Application), */
@@ -126,7 +124,7 @@ static __u8 df_rdesc_fixed[] = {
0xC0 /* End Collection */
};
-static __u8 dfp_rdesc_fixed[] = {
+static const __u8 dfp_rdesc_fixed[] = {
0x05, 0x01, /* Usage Page (Desktop), */
0x09, 0x04, /* Usage (Joystick), */
0xA1, 0x01, /* Collection (Application), */
@@ -174,7 +172,7 @@ static __u8 dfp_rdesc_fixed[] = {
0xC0 /* End Collection */
};
-static __u8 fv_rdesc_fixed[] = {
+static const __u8 fv_rdesc_fixed[] = {
0x05, 0x01, /* Usage Page (Desktop), */
0x09, 0x04, /* Usage (Joystick), */
0xA1, 0x01, /* Collection (Application), */
@@ -241,7 +239,7 @@ static __u8 fv_rdesc_fixed[] = {
0xC0 /* End Collection */
};
-static __u8 momo_rdesc_fixed[] = {
+static const __u8 momo_rdesc_fixed[] = {
0x05, 0x01, /* Usage Page (Desktop), */
0x09, 0x04, /* Usage (Joystick), */
0xA1, 0x01, /* Collection (Application), */
@@ -287,7 +285,7 @@ static __u8 momo_rdesc_fixed[] = {
0xC0 /* End Collection */
};
-static __u8 momo2_rdesc_fixed[] = {
+static const __u8 momo2_rdesc_fixed[] = {
0x05, 0x01, /* Usage Page (Desktop), */
0x09, 0x04, /* Usage (Joystick), */
0xA1, 0x01, /* Collection (Application), */
@@ -335,7 +333,7 @@ static __u8 momo2_rdesc_fixed[] = {
0xC0 /* End Collection */
};
-static __u8 ffg_rdesc_fixed[] = {
+static const __u8 ffg_rdesc_fixed[] = {
0x05, 0x01, /* Usage Page (Desktop), */
0x09, 0x04, /* Usage (Joystik), */
0xA1, 0x01, /* Collection (Application), */
@@ -381,12 +379,55 @@ static __u8 ffg_rdesc_fixed[] = {
0xC0 /* End Collection */
};
+static const __u8 fg_rdesc_fixed[] = {
+0x05, 0x01, /* Usage Page (Desktop), */
+0x09, 0x04, /* Usage (Joystik), */
+0xA1, 0x01, /* Collection (Application), */
+0xA1, 0x02, /* Collection (Logical), */
+0x15, 0x00, /* Logical Minimum (0), */
+0x26, 0xFF, 0x00, /* Logical Maximum (255), */
+0x35, 0x00, /* Physical Minimum (0), */
+0x46, 0xFF, 0x00, /* Physical Maximum (255), */
+0x75, 0x08, /* Report Size (8), */
+0x95, 0x01, /* Report Count (1), */
+0x09, 0x30, /* Usage (X), */
+0x81, 0x02, /* Input (Variable), */
+0xA4, /* Push, */
+0x25, 0x01, /* Logical Maximum (1), */
+0x45, 0x01, /* Physical Maximum (1), */
+0x75, 0x01, /* Report Size (1), */
+0x95, 0x02, /* Report Count (2), */
+0x81, 0x01, /* Input (Constant), */
+0x95, 0x06, /* Report Count (6), */
+0x05, 0x09, /* Usage Page (Button), */
+0x19, 0x01, /* Usage Minimum (01h), */
+0x29, 0x06, /* Usage Maximum (06h), */
+0x81, 0x02, /* Input (Variable), */
+0x05, 0x01, /* Usage Page (Desktop), */
+0xB4, /* Pop, */
+0x81, 0x02, /* Input (Constant), */
+0x09, 0x31, /* Usage (Y), */
+0x81, 0x02, /* Input (Variable), */
+0x09, 0x32, /* Usage (Z), */
+0x81, 0x02, /* Input (Variable), */
+0xC0, /* End Collection, */
+0xA1, 0x02, /* Collection (Logical), */
+0x26, 0xFF, 0x00, /* Logical Maximum (255), */
+0x46, 0xFF, 0x00, /* Physical Maximum (255), */
+0x75, 0x08, /* Report Size (8), */
+0x95, 0x04, /* Report Count (4), */
+0x09, 0x02, /* Usage (02h), */
+0xB1, 0x02, /* Feature (Variable), */
+0xC0, /* End Collection, */
+0xC0 /* End Collection, */
+};
+
/*
* Certain Logitech keyboards send in report #3 keys which are far
* above the logical maximum described in descriptor. This extends
* the original value of 0x28c of logical maximum to 0x104d
*/
-static __u8 *lg_report_fixup(struct hid_device *hdev, __u8 *rdesc,
+static const __u8 *lg_report_fixup(struct hid_device *hdev, __u8 *rdesc,
unsigned int *rsize)
{
struct lg_drv_data *drv_data = hid_get_drvdata(hdev);
@@ -408,12 +449,25 @@ static __u8 *lg_report_fixup(struct hid_device *hdev, __u8 *rdesc,
switch (hdev->product) {
+ case USB_DEVICE_ID_LOGITECH_WINGMAN_FG:
+ if (*rsize == FG_RDESC_ORIG_SIZE) {
+ hid_info(hdev,
+ "fixing up Logitech Wingman Formula GP report descriptor\n");
+ *rsize = sizeof(fg_rdesc_fixed);
+ return fg_rdesc_fixed;
+ } else {
+ hid_info(hdev,
+ "rdesc size test failed for formula gp\n");
+ }
+ break;
+
+
case USB_DEVICE_ID_LOGITECH_WINGMAN_FFG:
if (*rsize == FFG_RDESC_ORIG_SIZE) {
hid_info(hdev,
"fixing up Logitech Wingman Formula Force GP report descriptor\n");
- rdesc = ffg_rdesc_fixed;
*rsize = sizeof(ffg_rdesc_fixed);
+ return ffg_rdesc_fixed;
}
break;
@@ -422,8 +476,8 @@ static __u8 *lg_report_fixup(struct hid_device *hdev, __u8 *rdesc,
if (*rsize == DF_RDESC_ORIG_SIZE) {
hid_info(hdev,
"fixing up Logitech Driving Force report descriptor\n");
- rdesc = df_rdesc_fixed;
*rsize = sizeof(df_rdesc_fixed);
+ return df_rdesc_fixed;
}
break;
@@ -431,8 +485,8 @@ static __u8 *lg_report_fixup(struct hid_device *hdev, __u8 *rdesc,
if (*rsize == MOMO_RDESC_ORIG_SIZE) {
hid_info(hdev,
"fixing up Logitech Momo Force (Red) report descriptor\n");
- rdesc = momo_rdesc_fixed;
*rsize = sizeof(momo_rdesc_fixed);
+ return momo_rdesc_fixed;
}
break;
@@ -440,8 +494,8 @@ static __u8 *lg_report_fixup(struct hid_device *hdev, __u8 *rdesc,
if (*rsize == MOMO2_RDESC_ORIG_SIZE) {
hid_info(hdev,
"fixing up Logitech Momo Racing Force (Black) report descriptor\n");
- rdesc = momo2_rdesc_fixed;
*rsize = sizeof(momo2_rdesc_fixed);
+ return momo2_rdesc_fixed;
}
break;
@@ -449,8 +503,8 @@ static __u8 *lg_report_fixup(struct hid_device *hdev, __u8 *rdesc,
if (*rsize == FV_RDESC_ORIG_SIZE) {
hid_info(hdev,
"fixing up Logitech Formula Vibration report descriptor\n");
- rdesc = fv_rdesc_fixed;
*rsize = sizeof(fv_rdesc_fixed);
+ return fv_rdesc_fixed;
}
break;
@@ -458,8 +512,8 @@ static __u8 *lg_report_fixup(struct hid_device *hdev, __u8 *rdesc,
if (*rsize == DFP_RDESC_ORIG_SIZE) {
hid_info(hdev,
"fixing up Logitech Driving Force Pro report descriptor\n");
- rdesc = dfp_rdesc_fixed;
*rsize = sizeof(dfp_rdesc_fixed);
+ return dfp_rdesc_fixed;
}
break;
@@ -514,22 +568,6 @@ static int lg_ultrax_remote_mapping(struct hid_input *hi,
return 1;
}
-static int lg_dinovo_mapping(struct hid_input *hi, struct hid_usage *usage,
- unsigned long **bit, int *max)
-{
- if ((usage->hid & HID_USAGE_PAGE) != HID_UP_LOGIVENDOR)
- return 0;
-
- switch (usage->hid & HID_USAGE) {
-
- case 0x00d: lg_map_key_clear(KEY_MEDIA); break;
- default:
- return 0;
-
- }
- return 1;
-}
-
static int lg_wireless_mapping(struct hid_input *hi, struct hid_usage *usage,
unsigned long **bit, int *max)
{
@@ -614,10 +652,6 @@ static int lg_input_mapping(struct hid_device *hdev, struct hid_input *hi,
lg_ultrax_remote_mapping(hi, usage, bit, max))
return 1;
- if (hdev->product == USB_DEVICE_ID_DINOVO_MINI &&
- lg_dinovo_mapping(hi, usage, bit, max))
- return 1;
-
if ((drv_data->quirks & LG_WIRELESS) && lg_wireless_mapping(hi, usage, bit, max))
return 1;
@@ -664,6 +698,7 @@ static int lg_input_mapped(struct hid_device *hdev, struct hid_input *hi,
usage->code == ABS_RZ)) {
switch (hdev->product) {
case USB_DEVICE_ID_LOGITECH_G29_WHEEL:
+ case USB_DEVICE_ID_LOGITECH_WINGMAN_FG:
case USB_DEVICE_ID_LOGITECH_WINGMAN_FFG:
case USB_DEVICE_ID_LOGITECH_WHEEL:
case USB_DEVICE_ID_LOGITECH_MOMO_WHEEL:
@@ -714,12 +749,18 @@ static int lg_raw_event(struct hid_device *hdev, struct hid_report *report,
static int lg_probe(struct hid_device *hdev, const struct hid_device_id *id)
{
- struct usb_interface *iface = to_usb_interface(hdev->dev.parent);
- __u8 iface_num = iface->cur_altsetting->desc.bInterfaceNumber;
+ struct usb_interface *iface;
+ __u8 iface_num;
unsigned int connect_mask = HID_CONNECT_DEFAULT;
struct lg_drv_data *drv_data;
int ret;
+ if (!hid_is_usb(hdev))
+ return -EINVAL;
+
+ iface = to_usb_interface(hdev->dev.parent);
+ iface_num = iface->cur_altsetting->desc.bInterfaceNumber;
+
/* G29 only work with the 1st interface */
if ((hdev->product == USB_DEVICE_ID_LOGITECH_G29_WHEEL) &&
(iface_num != 0)) {
@@ -756,12 +797,14 @@ static int lg_probe(struct hid_device *hdev, const struct hid_device_id *id)
/* Setup wireless link with Logitech Wii wheel */
if (hdev->product == USB_DEVICE_ID_LOGITECH_WII_WHEEL) {
- const unsigned char cbuf[] = { 0x00, 0xAF, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
+ static const unsigned char cbuf[] = {
+ 0x00, 0xAF, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
+ };
u8 *buf = kmemdup(cbuf, sizeof(cbuf), GFP_KERNEL);
if (!buf) {
ret = -ENOMEM;
- goto err_free;
+ goto err_stop;
}
ret = hid_hw_raw_request(hdev, buf[0], buf, sizeof(cbuf),
@@ -793,9 +836,12 @@ static int lg_probe(struct hid_device *hdev, const struct hid_device_id *id)
ret = lg4ff_init(hdev);
if (ret)
- goto err_free;
+ goto err_stop;
return 0;
+
+err_stop:
+ hid_hw_stop(hdev);
err_free:
kfree(drv_data);
return ret;
@@ -806,28 +852,19 @@ static void lg_remove(struct hid_device *hdev)
struct lg_drv_data *drv_data = hid_get_drvdata(hdev);
if (drv_data->quirks & LG_FF4)
lg4ff_deinit(hdev);
- else
- hid_hw_stop(hdev);
+ hid_hw_stop(hdev);
kfree(drv_data);
}
static const struct hid_device_id lg_devices[] = {
- { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_MX3000_RECEIVER),
- .driver_data = LG_RDESC | LG_WIRELESS },
{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_S510_RECEIVER),
.driver_data = LG_RDESC | LG_WIRELESS },
- { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_S510_RECEIVER_2),
- .driver_data = LG_RDESC | LG_WIRELESS },
{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RECEIVER),
.driver_data = LG_BAD_RELATIVE_KEYS },
{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_DESKTOP),
.driver_data = LG_DUPLICATE_USAGES },
- { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_EDGE),
- .driver_data = LG_DUPLICATE_USAGES },
- { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_MINI),
- .driver_data = LG_DUPLICATE_USAGES },
{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_ELITE_KBD),
.driver_data = LG_IGNORE_DOUBLED_WHEEL | LG_EXPANDED_KEYMAP },
@@ -869,6 +906,8 @@ static const struct hid_device_id lg_devices[] = {
.driver_data = LG_NOGET | LG_FF4 },
{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WII_WHEEL),
.driver_data = LG_FF4 },
+ { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WINGMAN_FG),
+ .driver_data = LG_NOGET },
{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WINGMAN_FFG),
.driver_data = LG_NOGET | LG_FF4 },
{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD2),
@@ -903,4 +942,5 @@ module_param_named(lg4ff_no_autoswitch, lg4ff_no_autoswitch, int, S_IRUGO);
MODULE_PARM_DESC(lg4ff_no_autoswitch, "Do not switch multimode wheels to their native mode automatically");
#endif
+MODULE_DESCRIPTION("HID driver for some logitech \"special\" devices");
MODULE_LICENSE("GPL");
generated by cgit (git 2.34.1) at 2025-12-26 05:35:56 +0000